年次
1
annual;yearly
その代表者は年次会議を欠席した。
The representative was absent from the annual conference.
2
year (e.g. of graduation, joining a company)
１年次開講の『大学生のための表現法』と２年次開講の『食品化学』の２科目を担当しています。
I'm teaching two courses, year one's "Self-expression for University Students" and year two's "Food Chemistry".
3
nth year (student, employee, etc.)
after a number